About the Role An exciting opportunity has arisen for a Principal Technical Safety Consultant with expertise in Computational Fluid Dynamics (CFD) to join a dynamic and growing risk management consultancy. This permanent role offers the chance to work on high-impact projects across a range of high-hazard industries, including oil and gas, chemical processing, and clean energy. You’ll be part of a collaborative and forward-thinking team, delivering innovative safety solutions to clients worldwide. While the preferred base is London, flexibility exists for other office locations. Occasional travel within the UK and internationally will be required. Key Responsibilities Lead and deliver technical safety projects involving CFD simulations. Use tools such as FLACS-CFD, ANSYS Fluent/CFX, DNV KFX, or FDS to model fluid flow, dispersion, explosions, and fire dynamics. Apply deep knowledge of fluid dynamics, thermodynamics, combustion, and explosion science. Analyse complex models and datasets using programming tools; troubleshoot simulation issues. Mentor junior engineers and contribute to project planning and delivery. Communicate findings through high-quality technical reports and presentations. Develop technical proposals and translate client needs into effective solutions. Manage project budgets, timelines, and client relationships. Desired Skills & Experience Essential: Degree in a relevant science or engineering discipline. Minimum 5 years’ experience in CFD within technical/process safety. Strong analytical, numerical, and communication skills. Proven leadership in technical delivery and team support.Desirable: Experience in QRA, EERA, FERA, BRA, Facility Siting, Fire & Gas Mapping. Familiarity with SAFETI, PHAST, FRED, SHEPHERD, or RAM tools. Knowledge of HPC/cloud computing for large-scale simulations. Understanding of safety standards (e.g., ATEX, DSEAR, API). Business development or marketing experience in technical services. With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients